import java.io.Serializable;

public final class MySingleton implements Serializable{

    private MySingleton(){}
    private static final MySingleton INSTANCE = new MySingleton();
    public static MySingleton getInstance(){
        return INSTANCE;
    }
    public Object readResovle(){
        return INSTANCE;
    }

    public static void main(String[] args) {
        System.out.println("INSTANCE is "+INSTANCE);
    }
}